MF_EVENT_SOURCE_FAKE_START attribute

Specifies whether the current segment topology is empty.

Data type

UINT32

Treat as a Boolean value.

Remarks

This attribute is used with the MESourceStarted event.

The sequencer source sets this attribute to TRUE if the current segment topology is empty. If this attribute is TRUE, playback has not started yet. The default value of this attribute is FALSE.

The GUID constant for this attribute is exported from mfuuid.lib.

Requirements

Requirement Value
Minimum supported client
Windows Vista [desktop apps only]
Minimum supported server
Windows Server 2008 [desktop apps only]
Header
Mfapi.h

See also

Alphabetical List of Media Foundation Attributes

Event Attributes

IMFAttributes::GetUINT32

IMFAttributes::SetUINT32